PrecalculusChallenge SharePrecalculus · Challenge problemUsing the Rational Zero Test, find the zero of f(x)=2x4−3x3−14x2+33x−18f(x)=2x^4-3x^3-14x^2+33x-18f(x)=2x4−3x3−14x2+33x−18 that is positive but NOT an integer.Check Show answer Walk through it step by step Practice more like this